Hongjian Cao (E7mer) is a senior security researcher at PegasusTeam in the Radio Security Research Department of 360 Technology. His is focusing on wireless attack and defense，802.11 protocol analysis and vulnerability discovery. He has rich experiences in security software development, reverse engineering, sandbox technology，etc. He was granted several patents of security technology such as secret communication and honeypot technology. He had presented his researches at security conferences like HITB，KCon. He is one of the authors of the well-known wireless attack tool MDK.
